Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Transmission (INSTALLATION)
Special Tool(s)
Retainer, Torque Converter
307-346 (T97T-7902-A)
Material
Item
Specification
Multi-Purpose Grease
D0AZ-19584-AA
ESB-M1C93-
B
MERCON V Automatic
Transmission Fluid
XT-5-QM, XT-5-DM
MERCON V
1. CA ...
Principles of Operation
Power Window Control
NOTE: Battery power and ground must be removed before disconnecting the
GEM connectors to
avoid setting false DTCs.
The driver power window one-touch down operation is controlled by the
generic electronic module
(GEM). This featur ...
Assembly
1. CAUTION: Before beginning assembly, carry out and inspect the
following:
When building up subassemblies and assembling the transmission, ALWAYS use new
gaskets and seals.
All fasteners must be tightened to the torque specification indicated. In
addition ...
